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feat: EXC-1774: Evict sandboxes based on the available memory (#2651)
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Avoid RSS-based eviction if there is sufficient memory (250 GiB or
more). RSS statistics are updated asynchronously, and by default, we
assume a worst-case scenario of 50 MiB per sandbox. Consequently,
RSS-based eviction can often be unnecessarily pessimistic, negatively
impacting the sandbox cache hit ratio.

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Co-authored-by: Dragoljub Duric <[email protected]>
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@berestovskyy @dragoljub-duric @pietrodimarco-dfinity
2 people authored and pietrodimarco-dfinity committed Nov 21, 2024
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